Synonyms for La-de-da:

• adj.

  •snotty (adjective)
  • snobby,
  • pompous,
  • cocky,
  • self-important,
  • conceited,
  • fresh,
  • stuck-up,
  • impertinent,
  • highfalutin',
  • la-de-da,
  • high and mighty,
  • sassy,
  • snobbiest,
  • pretentious,
  • smart-alecky,
  • uppity,
  • puffed up,
  • cheeky,
  • haughty,
  • snippy,
  • smart alecky,
  • highfalutin,
  • snooty,
  • stuck up,
  • know-it-all,
  • smug.

• Other synonyms:

  •adj.
  • snotty.